A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5855-01-467-3802
NSN 4140-00-699-0904
NSN 7035-00-371-7749
NSN 6220-01-215-0907
NSN 5999-01-340-2654
NSN 5895-01-063-8104
NSN 5915-01-068-6409
NSN 5925-01-076-5700
NSN 5855-01-562-3132
NSN 5910-01-383-9786
NSN 6685-01-576-9204
NSN 6610-01-224-7247